This week: Classical music superstar Gustavo Dudamel conducts an interview… “Children’s Hospital” creator/star Rob Corddry prescribes etiquette advice… “Schott’s Miscellany” author Ben Schott on food service slang… author John Brandon perks up his wolf ears… “Darth Vader and Son” cartoonist Jeffrey Brown lists some soulful sci-fi… and rocker King Tuff suggests a party playlist. Plus: Debbie Millman on design, Madeleine Brand gets dreamy, and the uplifting history of the escalator.